i think they perform pretty close to the same but i personally feel 3 chambers are way to quiet even 2 chambers with the converters aren't much louder than stock they just sound better when you put an h-pipe on the full throttle sound will be most affected idle and light throttle will still be liveable.
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Rice Haters Club member #68
'93 Cobra 10.20@135
'89 Gt Coupe 12.20@115
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